@article{TMF_1978_34_2_a11,
     author = {M. F. Olekseeva and K. D. Tovstyuk},
     title = {Effective electron-electron interaction in a~group-theoretical diagram technique},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {256--266},
     year = {1978},
     volume = {34},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_34_2_a11/}
}